计算流体动力学分析尿管接入的位置对石头清除率的影响
Yujun Chen1, Heng Yang1, Xiaofeng Cheng1
1Jiangxi Provincial Key Laboratory of Urinary System Diseases, Department of Urology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China.
Computer methods and programs in biomedicine
|August 1, 2025
概括
在柔性尿道光镜 (f-URS) 石术期间,尿道接入 (UAS) 的最佳定位显著改善了石头的清除. 将UAS尖端与f-URS尖端对齐可以最大限度地疏散石块和灌流.
科学领域:
- 泌尿器科 泌尿器科 泌尿器科 泌尿器科
- 医疗工程 医学工程
- 计算流体动力学的流体动力学.
背景情况:
- 缺少用于尿管接入 (UAS) 定位在柔性尿管光学 (f-URS) 石术的标准化协议.
- 最佳的UAS放置对于有效的石块碎片去除至关重要.
研究的目的:
- 为了确定最佳的UAS位置,最大限度地提高石头清理在f-URS lithotripsy.
- 用计算流体动力学 (CFD) 分析UAS定位对石块疏散的影响.
主要方法:
- 使用ANSYS软件模拟f-URS程序.
- 采用CFD来建模灌流和石粒运动.
- 与f-URS尖端相比,在各种UAS位置的评估石头清理率.
主要成果:
- 石头清理率随着UAS尖端接近f-URS尖端而增加.
- 当UAS尖端与f-URS尖端 (位置D) 一致时,观察到最大的粒子疏散.
- 将尖端对齐消除了低流量区域,提高了灌速度.
结论:
- 无人驾驶系统的定位极大地影响了f-URS石过程中的石头清理.
- 通过对准UAS和f-URS的远端尖端来实现最佳的石块疏散.
- 无人机系统的位置会影响当地灌动态,影响处理效率.
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